Patents Represented by Attorney Walter E. Dreger

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  • Preparation of functional human urokinase proteins
    Patent number: 5112755
    Abstract: Human urokinase is produced using recombinant DNA techniques. The invention disclosed thus enables the production of urokinase free of contaminants with which it is ordinarily associated in its native cellular environment. Methods, expression vehicles and various host cells useful in its production are also disclosed.
    Type: Grant
    Filed: July 19, 1988
    Date of Patent: May 12, 1992
    Assignee: Genentech, Inc.
    Inventors: Herbert L. Heyneker, William E. Holmes, Gordon A. Vehar